Wadi Derna cuts down from the Jebel Akhdar to the sea, dividing the city and giving Derna much of its character. In calmer times the wadi explains the greenery and water features that made the city unusual by Libyan standards.
Since the 2023 flood, it is also the city's most sensitive landscape. View it with a local guide, keep clear of unstable banks and damaged bridges, and remember that many families lost homes and relatives along this corridor.